UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZtyK0hI/komwojbMHkGzfEPTPqGV7OxXzB2pltXA760=' 
WHERE 
  key_id = '35ee4e0f9042b406031316345eb90edf8a1a6f7a8433318051a297f1cac8bb59' 
  AND (
    token = 'ZtyK0hI/komwojbMHkGzfEPTPqGV7OxXzB2pltXA760=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )